889702938d83ad7a6410c1889593aedefa0e2a53ed64252fe16d84e32caf0db7

Analysis

max time kernel
120s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 05:16

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General

Target

9a10652b47098d850a5af36ccc1156d0N.exe
Size

206KB
MD5

9a10652b47098d850a5af36ccc1156d0
SHA1

00f2b3ee8d2ae044c43e9caae4b6d8bdab884eb7
SHA256

889702938d83ad7a6410c1889593aedefa0e2a53ed64252fe16d84e32caf0db7
SHA512

53daf2a77f12928573f2f2cbea6319f045bbfd2296e182e4c6f8edcedd7d518c0c04263d36e1a627bfae1a27538cfeffa0fdab232d469e6ba678a8106aa07182
SSDEEP

1536:/fsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbJdm:/VqoCl/YgjxEufVU0TbTyDDalbm

Score

10^/10

discovery evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2284	explorer.exe
2416	spoolsv.exe
2984	svchost.exe
2244	spoolsv.exe

Loads dropped DLL 8 IoCs

pid	Process
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2284	explorer.exe
2284	explorer.exe
2416	spoolsv.exe
2416	spoolsv.exe
2984	svchost.exe
2984	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\explorer.exe	explorer.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\resources\themes\explorer.exe	9a10652b47098d850a5af36ccc1156d0N.exe
File opened for modification	\??\c:\windows\resources\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\resources\svchost.exe	spoolsv.exe
File opened for modification	C:\Windows\Resources\tjud.exe	explorer.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a10652b47098d850a5af36ccc1156d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2780	schtasks.exe
2024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2984	svchost.exe
2284	explorer.exe
2284	explorer.exe
2284	explorer.exe
2984	svchost.exe
2984	svchost.exe
2284	explorer.exe
2984	svchost.exe
2284	explorer.exe
2984	svchost.exe
2284	explorer.exe
2984	svchost.exe
2284	explorer.exe
2984	svchost.exe
2284	explorer.exe
2984	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2284	explorer.exe
2984	svchost.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2168	9a10652b47098d850a5af36ccc1156d0N.exe
2284	explorer.exe
2284	explorer.exe
2416	spoolsv.exe
2416	spoolsv.exe
2984	svchost.exe
2984	svchost.exe
2244	spoolsv.exe
2244	spoolsv.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2284	2168	9a10652b47098d850a5af36ccc1156d0N.exe	30
PID 2168 wrote to memory of 2284	2168	9a10652b47098d850a5af36ccc1156d0N.exe	30
PID 2168 wrote to memory of 2284	2168	9a10652b47098d850a5af36ccc1156d0N.exe	30
PID 2168 wrote to memory of 2284	2168	9a10652b47098d850a5af36ccc1156d0N.exe	30
PID 2284 wrote to memory of 2416	2284	explorer.exe	31
PID 2284 wrote to memory of 2416	2284	explorer.exe	31
PID 2284 wrote to memory of 2416	2284	explorer.exe	31
PID 2284 wrote to memory of 2416	2284	explorer.exe	31
PID 2416 wrote to memory of 2984	2416	spoolsv.exe	32
PID 2416 wrote to memory of 2984	2416	spoolsv.exe	32
PID 2416 wrote to memory of 2984	2416	spoolsv.exe	32
PID 2416 wrote to memory of 2984	2416	spoolsv.exe	32
PID 2984 wrote to memory of 2244	2984	svchost.exe	33
PID 2984 wrote to memory of 2244	2984	svchost.exe	33
PID 2984 wrote to memory of 2244	2984	svchost.exe	33
PID 2984 wrote to memory of 2244	2984	svchost.exe	33
PID 2284 wrote to memory of 3000	2284	explorer.exe	34
PID 2284 wrote to memory of 3000	2284	explorer.exe	34
PID 2284 wrote to memory of 3000	2284	explorer.exe	34
PID 2284 wrote to memory of 3000	2284	explorer.exe	34
PID 2984 wrote to memory of 2780	2984	svchost.exe	35
PID 2984 wrote to memory of 2780	2984	svchost.exe	35
PID 2984 wrote to memory of 2780	2984	svchost.exe	35
PID 2984 wrote to memory of 2780	2984	svchost.exe	35
PID 2984 wrote to memory of 2024	2984	svchost.exe	39
PID 2984 wrote to memory of 2024	2984	svchost.exe	39
PID 2984 wrote to memory of 2024	2984	svchost.exe	39
PID 2984 wrote to memory of 2024	2984	svchost.exe	39

C:\Users\Admin\AppData\Local\Temp\9a10652b47098d850a5af36ccc1156d0N.exe
"C:\Users\Admin\AppData\Local\Temp\9a10652b47098d850a5af36ccc1156d0N.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2168
- \??\c:\windows\resources\themes\explorer.exe
  c:\windows\resources\themes\explorer.exe
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2284
- - \??\c:\windows\resources\spoolsv.exe
    c:\windows\resources\spoolsv.exe SE
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2416
  - - \??\c:\windows\resources\svchost.exe
      c:\windows\resources\svchost.exe
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2984
    - - \??\c:\windows\resources\spoolsv.exe
        
        c:\windows\resources\spoolsv.exe PR
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2244
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:18 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2780
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 05:19 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2024
- - C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe
    3⤵
    PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\Resources\Themes\explorer.exe

Filesize
206KB

MD5
a2841e16f165821a2f569b4b9b8d1fa7

SHA1
61851d3a8d436883db18984bef95f6949604a17b

SHA256
85bba52526cabe61fc695326241f985e2eb572551977306165de36e08f4fadae

SHA512
3389da599cd14c866bb4ede417b6ed7e2338613337eed79c1ce59794c70a4e2c05a7873eee757d22ff55f7056862aa90d02648905f7025e793f0bb6723484a0e

Download Submit
\Windows\Resources\spoolsv.exe

Filesize
206KB

MD5
325d1d66296ad6c9fb1f7419374b5546

SHA1
b8d438909073ba8a87c8cffee957b37060be4781

SHA256
c907a0d2bfffb28d465a67d2877cd09d3144a0fdc3a24a0c570bf277ba856dac

SHA512
23108ce8cbe2421917f46d473e1eeba43b2d2adcf6ddf8e56fc1800bfb1d429744334090c4ca9bd7483f2a25b434d0ece1bfd5b2e67f6263da40e1171cc788d0

Download Submit
\Windows\Resources\svchost.exe

Filesize
206KB

MD5
d7c637b33e86f51433425c7183a05545

SHA1
6360578ee8c2238d596dffb7d0122783b5e7d132

SHA256
1ac6bf9a014a4bb1377f69576dfd25c24cc0eaa240efc8d13d88a02deffc93d8

SHA512
0e8907ba63aa2fbd896aecf59155751a72647a9961f3cfea5e07844feea4334d74e7ee25744c9812ddd76b37ce791a71d83bb629a85ad7b2e6b7e839109b3bc6

Download Submit
memory/2168-55-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-13-0x0000000000280000-0x00000000002AF000-memory.dmp

Filesize
188KB

Download
memory/2168-12-0x0000000000280000-0x00000000002AF000-memory.dmp

Filesize
188KB

Download
memory/2168-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2284-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2416-40-0x0000000000390000-0x00000000003BF000-memory.dmp

Filesize
188KB

Download
memory/2416-54-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2984-48-0x0000000000240000-0x000000000026F000-memory.dmp

Filesize
188KB

Download
memory/2984-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download